rotary saw圆盘锯,回转式锯rotaryadj.旋转的n.旋转式机器；环形交叉路rotary diffuser旋转喷撒器rotary atomizer旋转式喷雾机rotary building旋转建筑物rotary rain gun旋转式远射程喷灌装置,喷雨枪rotary piercing回转冲孔,旋转穿孔,辊式穿孔Rotary Shot Put旋转式推铅球技术rotary haymaker滚筒式翻草机rotary expander滚压扩管机rotary disk bit圆盘形扁钻rotary solenodi旋转式电磁线圈

1. She twirled the knob of the door.
   她转动门把手。